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OpenAI's official Codex changelog. Codex app: Codex in ChatGPT, the desktop app and the web. Codex CLI: the version that runs in a terminal window.
Compiled by the Toolstash team · Updated
Codex app
ChatGPT for iOS
Added an optional Face ID or passcode lock for Codex. Added a new settings screen for choosing Queue or Steer as the default follow-up behavior and toggling line wrapping for code diffs. Added support for connecting to Windows machines over SSH. Added support for /side to start a side conversation with an initial question. Improved follow-up prompts, the Codex home screen, and viewing changed files. Fixed issues with reconnecting, archiving threads, loading tasks, and connecting to hosts.
Codex app
Use Codex with Amazon Bedrock
Codex can now use supported OpenAI models available through Amazon Bedrock. Configure Amazon Bedrock as your model provider to run Codex locally with AWS-managed authentication, account controls, and billing.
Codex app
Terminal placement controls
Added Default terminal location in General settings. When the bottom panel is enabled, choose whether the terminal shortcut and environment actions open terminal tabs in the bottom panel or the right panel. Performance improvements and bug fixes. Additional performance improvements and bug fixes.
Codex app
Computer use and mobile access on Windows
Computer Use now works on Windows. Codex can operate Windows desktop apps by seeing, clicking, and typing in the foreground while it works. Remote control now supports Windows devices. You can start Codex work on a Windows device from ChatGPT on iOS or Android, or from a Mac running Codex, and check its progress remotely. The Profile section now shows your profile details, usage stats, and token activity. Added thread coordination for local projects and worktrees, including separate background threads when explicitly requested. Expanded search for past Codex app threads to include conversation content and Git branch names. Added stable identicons for background subagents across the app. Improved keyboard shortcut settings with keypress search and a reset-all action. Improved Chrome context capture for Google Docs, Sheets, and Slides tabs. Performance improvements and bug fixes. Additional performance improvements and bug fixes.
Codex app
GPT-5.3-Codex and GPT-5.2 deprecated
GPT-5.3-Codex and GPT-5.2 are now deprecated as user-selectable models in Codex for users signed in with ChatGPT. API-key workflows aren't affected. Use a current Codex model, such as GPT-5.5, GPT-5.4, or GPT-5.4 mini.
Codex app
ChatGPT for iOS
Added Spotlight and Shortcuts support for opening Codex Mobile directly. Added browsing for archived Codex threads. Added /side for opening a side conversation. Added options to save or copy rendered images. Improved iPad keyboard shortcuts. Improved setup and relaunch reliability. Fixed issues with task progress, loading archived threads, previewing code changes, and switching hosts.
Codex app
Appshots, goal mode, and more
Appshots are now available in the Codex app on macOS. Press both Command keys to send the frontmost app window to Codex with a screenshot and available text, so Codex can work from context in another app without you copying, pasting, or describing it manually. This launch also includes: Goal mode is no longer an experimental feature and is available in the Codex app, IDE extension, and CLI. With Goal mode, you can have Codex drive toward a specific objective for hours or even days. Remote computer use, so Codex can use desktop apps after your Mac locks, including remotely via Codex Mobile. Codex scopes locked use to active, trusted computer use turns and includes safeguards such as short-lived authorization, covered displays, relock on local input, and manual-unlock fallback. Plugin sharing through marketplace sources is available for ChatGPT Business. Enterprise support is coming soon. Teams can distribute reusable plugin bundles that include skills, MCP servers, and lifecycle hooks. Advanced in-app browser annotations let you tweak styling such as font size, colors, and spacing directly using annotations. This gives Codex a clearer signal for changes. Browser-use improvements across in-app browser & Chrome: Codex can now download and extract all image assets from a page much more quickly. Codex can now extract structured data from pages more effectively and find information more quickly with a read-only JS sandbox. Chrome extension will create less clutter when using it. Codex will no longer create tab groups when taking over existing tabs, and at the end of a task for handoff. Instead, it uses tab icons to indicate status. Significantly improved reliability for browser use. We fixed bugs on Windows, flaky availability of the plugin to non geo-blocked regions, and many other issues impacting performance.
Codex app
ChatGPT for iOS
Added support for opening completed Codex tasks directly from iOS notifications. Added the ability to open changed files directly while reviewing a task. Improved task resume, reconnection, and foreground reliability. Improved task progress updates, code review, and message composition.
Codex app
Work with Codex from anywhere
You can now use Codex from the ChatGPT mobile app by connecting it to a Mac running the Codex app. Codex runs from the connected host, so the same projects, files, credentials, plugins, skills, and configuration are available from your phone. This launch also includes Hooks general availability, Codex access tokens for trusted automation, and Enterprise admin setup guidance.
Codex app
Expanded Auto-review documentation
Added a dedicated Auto-review page covering the reviewer lifecycle, trigger conditions, failure behavior, and local or managed configuration. Also updated the Agent approvals & security and Sandbox docs so they explain more clearly how Auto-review relates to the sandbox boundary.
Codex app
Codex app
Added an in-app trust review flow for hooks and kept Hooks settings reachable even before hooks are fully configured. Performance improvements and bug fixes. Restored tooltip-wrapped dropdowns that could stop opening after the tooltip rewrite. Preserved in-progress message edits across thread switches. Fixed several desktop workflow regressions, including Ctrl+V paste in the Windows terminal, opening modified external links outside the in-app browser, and keeping feedback slash commands attached to the right thread. Improved loading and panel polish by showing model loading while a thread resumes, hiding unavailable model controls during load, and bundling summary-panel layout and hover fixes. Kept the Computer Use settings control visible even when uninstalled and disabled problematic extension hover panels. Additional performance improvements and bug fixes.
Codex app
Codex for Chrome
With the new extension for Chrome, Codex is even better at working with apps and websites in your browser. It works in parallel across tabs in the background without taking over your browser, and you stay in control of which websites Codex can use. Learn more in the Codex Chrome extension documentation.
Codex app
Codex analytics governance docs update
Updated the Codex enterprise governance guide with more detailed coverage of the Analytics dashboard charts, data export options, and enterprise Analytics API endpoints.
Codex app
Create Codex access tokens
ChatGPT Enterprise workspace owners and admins can allow permitted members to create Codex access tokens for trusted, non-interactive Codex local workflows. Members can use access tokens to run Codex from scripts, schedulers, and private CI runners with their ChatGPT workspace identity. Learn more in Access tokens.
Codex app
Codex app
Added dictation cleanup plus a configurable dictation dictionary for names, file paths, and code symbols. Added zoom and download controls to the image lightbox. Performance improvements and bug fixes. Improved voice and dictation error messages for microphone, connection, and quota failures. Fixed in-app browser comment markers so they stay aligned across scrolling, zoom, and responsive layout changes. Made pull request creation and recovery flows more reliable by preserving newly created pull request state, classifying more app-server failures as restart-required, and stopping exhausted remote reconnect loops. Additional performance improvements and bug fixes.
Codex app
Codex app
Added a tooltip on realtime delegation messages to clarify that Codex uses the surrounding voice conversation as context. Performance improvements and bug fixes. Fixed search in long review files so next and previous results reliably jump to off-screen matches. Kept embedded MCP app panels from restarting or losing state during fullscreen changes and thread reloads. Fixed several desktop regressions, including tray crashes when the local connection is missing, duplicate macOS fullscreen menu entries, and broken global dictation hotkeys on older macOS versions. Additional performance improvements and bug fixes.
New modelAnnouncement
GPT-5.5 and Codex app updates
GPT-5.5 is now available in Codex as OpenAI's newest frontier model for complex coding, computer use, knowledge work, and research workflows. GPT-5.5 in Codex. GPT-5.5 is the recommended choice for most Codex tasks when it appears in your model picker. It's especially useful for implementation, refactors, debugging, testing, validation, and knowledge-work artifacts. To switch to GPT-5.5: In the CLI, start a new thread with: bash codex --model gpt-5.5 Or use /model during a session. In the IDE extension, choose GPT-5.5 from the model selector in the composer. In the Codex app, choose GPT-5.5 from the model selector in the composer. If you don't see GPT-5.5 yet, update the CLI, IDE extension, or Codex app to the latest version. During the rollout, continue using GPT-5.4 if GPT-5.5 is not yet available. The Codex app can now let Codex operate the in-app browser for local development servers and file-backed pages. Ask Codex to use the browser when it needs to click through a rendered UI, reproduce a visual bug, or verify a local fix inside the app. Browser use runs through the bundled Browser plugin. In settings, you can manage the plugin and review allowed or blocked websites. Codex can route eligible approval prompts through an automatic reviewer agent before the request runs. When configured, the Codex app shows an automatic review item with the review status and risk level, so you can see whether the reviewer approved, denied, stopped, or timed out before deciding. Performance improvements and bug fixes. Fixed duplicate queued follow-up messages across app windows. Fixed new chats reverting to outdated model and thinking settings. Kept edits to the same file grouped together after reopening a chat.
Codex app
Codex app
Added local branch search and non-image file pasting in the composer. Added collapsible sidebar sections, tray usage-limit surfacing, and a command-palette theme switcher. Performance improvements and bug fixes. Made review faster and more stable with better diff batching and preserved diff and search state. Fixed projectless cwd and permissions handling, default file opening, spreadsheet suggestions, and remote-control reconnect issues. Additional performance improvements and bug fixes.
Codex app
Codex can now help with more of your work
Codex is becoming a broader workspace for getting work done with AI. This update makes it easier to start work with less setup, verify what Codex is building, create richer outputs, and keep momentum across longer-running tasks. The Codex app now includes an early in-app browser. You can open local or public pages that don't require sign-in, comment directly on the rendered page, and ask Codex to address page-level feedback. !Codex app showing a browser comment on a local web app preview. Computer use lets Codex operate macOS apps by seeing, clicking, and typing, which helps with native app testing, simulator flows, low-risk app settings, and GUI-only bugs. The feature isn't available in the European Economic Area, the United Kingdom, or Switzerland at launch. Start, follow, and steer work. Chats are threads you can start without choosing a project folder first. They're useful for research, writing, planning, analysis, source gathering, and tool-driven work that doesn't begin in a codebase. For work that needs a later check-in, thread automations can wake up the same thread on a schedule while preserving the conversation context. Use them to check a long-running process, watch for updates, or continue a follow-up loop without starting from scratch. The task sidebar makes plans, sources, generated artifacts, and summaries easier to follow while Codex works. Context-aware suggestions can also help you pick up relevant follow-ups when you start or return to Codex. Stronger for software development. Codex now brings more of the pull request workflow into the app. You can inspect GitHub pull requests in the sidebar, review comments in the diff, review changed files, then ask Codex to explain feedback, make changes, check them, and keep the review moving. The artifact viewer can preview generated files such as PDF files, spreadsheets, documents, and presentations in the sidebar before you commit or share them. Memories, where available, can also carry useful context from past tasks into future threads, including stable preferences, project conventions, and recurring work patterns. Remote connections - We're gradually rolling out SSH remote connections in alpha. Support for multiple terminals. macOS menu bar and Windows system tray support. Multi-window support. Intel Mac support. New plugins. Improved thread and tool rendering.
Codex app
Codex app
Added command-menu file search, including Cmd+P routing into workspace file search. Added rich previews in the sidebar file viewer for images, PDFs, and Markdown. Added terminal tabs per thread, a selected-text Ask Codex overlay, and a Help menu feedback entry. Performance improvements and bug fixes. Improved review diff whitespace handling and search highlighting. Fixed in-app browser address bar and external-open issues, plus several file viewer and side-panel bugs. Additional performance improvements and bug fixes.
Codex app
Codex app
Added Windows Store updater support. Expanded pull request workflows with an activity timeline, PR-page commenting, and push choices in the push modal. Added workspace file tabs in the thread side panel, drag-and-drop tab reordering, run action editing, and a logout confirmation dialog. Performance improvements and bug fixes. Improved pull request board performance and comment flyouts. Improved update and navigation resilience, and fixed projectless visibility, unread-state, and pinned-row edge cases. Additional performance improvements and bug fixes.
Codex app
Codex app
Added collapsible inline review comments and inline or detached review modes. Added a Git summary and Sources section in the thread side panel. Added a New Quick Chat command and local video embeds in the app. Performance improvements and bug fixes. Preserved thread scroll position per conversation and unread state across windows. Improved review refresh reliability, and fixed dictation loss, right-panel reset, and GitHub reconnect messaging. Additional performance improvements and bug fixes.
Codex app
Codex model availability update
We're updating model availability for users who sign in with ChatGPT. Starting April 7, the model picker no longer shows gpt-5.2-codex, gpt-5.1-codex-mini, gpt-5.1-codex-max, gpt-5.1-codex, gpt-5.1, or gpt-5. On April 14, we'll remove those models from Codex for ChatGPT sign-in. Users can still choose from gpt-5.4, gpt-5.4-mini, gpt-5.3-codex, and gpt-5.2. ChatGPT Pro users can also choose gpt-5.3-codex-spark. To use another API-supported model in Codex, sign in with an API key or configure a model provider.
Codex app
Codex app
Added workspace settings to the app. Added "Don't ask again" handling and polish for custom MCP approval panels. Added native Windows updater support, including MSIX support, plus a Windows system tray menu so Codex can stay resident after the last window closes. Added app and file @ mentions in the automation composer, surfaced subagent diff stats in the composer, and added artifact cards for generated file citations. Added a Quick Chat app-menu shortcut, a review file tree open menu, early heartbeat automation affordances in threads, and image support for remote connections. Performance improvements and bug fixes. Fixed review panel scroll jumps and PR status actions while a conversation is still running. Fixed several multi-window issues, plus @-mention results, duplicate project labeling, Windows runGit behavior, and revert, unstage, and stage-all actions. Improved remote-thread and sidebar polish, Windows update recovery, unsupported-version guidance, and overall thread search speed. Fixed sticky review issues such as diff hunk expansion, header overlap, archive-thread crashes, and window-zoom shell sizing. Additional performance improvements and bug fixes.
Codex app
Build and install plugins in Codex
Codex now supports plugins: installable bundles that package skills, app integrations, and MCP server configuration for reusable workflows. Plugins are available in the Codex app, CLI, and IDE extensions. You can install curated plugins from the plugin directory, or scaffold a local plugin with @plugin-creator and test it with workspace-scoped or home-scoped marketplaces. Learn more in the plugins documentation.. Every plugin is a folder with a required.codex-plugin/plugin.json manifest and optional supporting files: text my-plugin/.codex-plugin/ plugin.json # Required: plugin manifest skills/ # Optional: packaged skills.app.json # Optional: app or connector mappings.mcp.json # Optional: MCP server configuration assets/ # Optional: icons, logos, screenshots. Install plugins per-user or per-repo. You can install plugins for just yourself with ~/.agents/plugins/marketplace.json and ~/.codex/plugins/, or for everyone on a project with.agents/plugins/marketplace.json and a repo-local plugin directory such as./plugins/. Curated plugins and local development. Codex surfaces curated public plugins in the plugin directory. Codex also ships with the built-in @plugin-creator skill to help you scaffold a plugin, add a local marketplace entry, and test it before sharing it with teammates.
Codex app
Codex app
Redesigned the skills and plugins browse and manage pages. Added per-window zoom and a clearer edited-files state in review. Added automation titles and icons in the sidebar, plus bundled Raycast themes. Performance improvements and bug fixes. Kept loaded threads and projects visible during reconnects and made navigation feel faster. Fixed archive freezes, markdown wrapping, hotkey-window regressions, and several permissions, terminal, and worktree issues. Additional performance improvements and bug fixes.
Codex app
Codex app
Added search for past Codex app threads, including a sidebar shortcut and keyboard shortcuts for jumping to recent threads. Added a one-click option to archive all local threads in a project. Synced key settings between the Codex app and the VS Code extension, and added a settings entry point in the extension. Performance improvements and bug fixes. Additional performance improvements and bug fixes.
Codex app
Codex app
Added Floating Composer v2. Added terminal shortcuts for jumping by word and line. Improved plugin discovery surfaces and file-path rendering for saved images. Performance improvements and bug fixes. Fixed sidebar crashes when subagent turn items are missing. Fixed pop-out thread routing and preserved local paths for composer image attachments. Additional performance improvements and bug fixes.
Codex app
Codex app
Added skills to the @ menu so you can insert them from the composer alongside other mentions. Cmd/Ctrl+F now starts with your current text selection, which makes searching reviews and diffs faster, alongside broader review navigation improvements such as a refreshed file tree and percentage-based file tree resizing. Added a branded loading shimmer while the app starts. Performance improvements and bug fixes. Improved collapsed diff summaries in review. Fixed slash-command focus and composer alignment issues, and polished plugin cards and step details. Additional performance improvements and bug fixes.
Codex app
Codex app
You can now fork a conversation from an earlier message, not just the latest turn. Added slash commands for switching models and reasoning levels, and made slash commands work in the middle of a draft prompt. Added notifications for plan mode questions so it's easier to notice when Codex needs input. Performance improvements and bug fixes. Fixed thread handoff and subagent navigation issues across worktrees and the VS Code extension. Additional performance improvements and bug fixes.